Improvement in chairs and step-ladders combined



-A. LIESCHE Improvement in Chairs 4and lSteep-Ladders Combin'd.k

N0. 127,980. D Patented June 18,1872.

Wim/155 ,525,1Y l 2W/Wi f PATENT OFFICE.

AUGUST LIESCHE, OF SYRAGUSE, NEW YORK.

IMPROVEMENT IN CHAIRS AND STEP-LADDERS COMBINED.

Specication forming part of Letters Patent No. 127,980, dated June 18, 1872.

Specication describing an Improvement/in a Combined Chair and Step-Ladder, invented by AUGUST LrEsoHE, of Syracuse, in the county of Onondaga and State of New York.

The nature of the invention consists in improved locks for holding the parts in the open and closed positions, or in the ladder and chair positions, being a spring-catch controlled by a thumb-piece and a spring-clamp that is selfactin g, as hereinafter more fully described.

Figurel is a sectional View ofthe chair, and Fig. 2 is a like view of the ladder. Fig. 3 is a detail View of the clamp for holding the parts in the closed position, and Fig. 4 is a like View of the lock for holding the parts in the unfolded position.

For securing the parts in the form of a chair the 4step G is provided with a spring-clamp, having two jaws, g, Fig. 3; and the round H has a pin or projection, h, with a spear-shaped head that engages with the clamp g, making a friction-clamp, that holds v-the parts sufficiently secure, yet yields readily for the purpose of opening or closing the parts when the foot is placed on one of the side rounds of section B b, and the'other section A a operated by hand.

For securing the parts in the ladder posi tion the arm G has a concealed pin, f, in its end, that is thrown out by a wire, c, and thumbpiece e, as shown in Fig. 4, to engage with one of the legs of B, as seen in Fig. 2, thus looking the parts in the opened position.

Having thus described my invention, what I claim is- The fastening devices, composed of the 

